734027.fig.002a
(a)
734027.fig.002b
(b)
Figure 2: Effect of reagent volume of (a) 0.05% BPB and (b) 0.1% BTB dye solution on the absorbance of ion-pair complex and blank (8 μg mL−1 ALB in method A and 20 μg mL−1 in method B).